Finding the Fourth Proportional to 9,118.72, 13,676.64 and 2,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.72 : 13,676.64 = 2,962.72 : x
2. Step 2: Convert to fraction form
   9,118.72/13,676.64 = 2,962.72/x
3. Step 3: Cross multiply
   9,118.72x = 13,676.64 × 2,962.72
4. Step 4: Simplify right side
   9,118.72x = 40,520,054.86
5. Step 5: Solve for x
   x = 40,520,054.86/9,118.72
6. Step 6: Final answer
   x = 4,443.61